Pith Number

pith:2D23DUWK

pith:2016:2D23DUWK5FZARJ4PPOX7TNFDIV

not attested not anchored not stored refs pending

$AB$-algorithm and its application for solving matrix square roots

Chun-Yueh Chiang, Matthew M. Lin

arxiv:1609.00581 v3 · 2016-09-02 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2D23DUWK5FZARJ4PPOX7TNFDIV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:57:37.482285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f5b1d2cae97208a78f7baff9b4a34571c85e49512487ececbb81e544f04340

Aliases

arxiv: 1609.00581 · arxiv_version: 1609.00581v3 · doi: 10.48550/arxiv.1609.00581 · pith_short_12: 2D23DUWK5FZA · pith_short_16: 2D23DUWK5FZARJ4P · pith_short_8: 2D23DUWK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2D23DUWK5FZARJ4PPOX7TNFDIV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d0f5b1d2cae97208a78f7baff9b4a34571c85e49512487ececbb81e544f04340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d639b248a2cdf2c80832ce2fe9d18c440738449ccd2c2dd6a28e835bbe7a3a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-02T12:58:04Z",
    "title_canon_sha256": "d7e2ead281da213a027292e91e30916e23b97a852c734670c7ba8fb965e2143d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00581",
    "kind": "arxiv",
    "version": 3
  }
}